public void FilterPassesExceptionHandlingToUnderlying(Type exceptionToExcludeType)
{
var substituteForErrorHandlingPolicy = Substitute.For <IExceptionHandlingPolicy>();
var filter = new ExceptionHandlingFilter(substituteForErrorHandlingPolicy);
var exception = (Exception)Activator.CreateInstance(exceptionToExcludeType);
filter.HandleException(exception);
substituteForErrorHandlingPolicy.Received(1).HandleException(Arg.Is(exception));
}
public void FilterDoesNotPassExceptionHandlingToUnderlyingIfCannotBeHandled(Type exceptionToExcludeType)
{
var substituteForErrorHandlingPolicy = Substitute.For <IExceptionHandlingPolicy>();
var filter = new ExceptionHandlingFilter(substituteForErrorHandlingPolicy);
filter.ExcludedExceptios.Add(exceptionToExcludeType);
var exception = (Exception)Activator.CreateInstance(exceptionToExcludeType);
Assert.Throws <ExceptionCannotBeHandledException>(() => filter.HandleException(exception));
substituteForErrorHandlingPolicy.DidNotReceiveWithAnyArgs().HandleException(Arg.Any <Exception>());
}
public void FilterThrowsExceptionWrappedIfItCannotBeHandled(Type exceptionToExcludeType)
{
var substituteForErrorHandlingPolicy = Substitute.For <IExceptionHandlingPolicy>();
var filter = new ExceptionHandlingFilter(substituteForErrorHandlingPolicy);
filter.ExcludedExceptios.Add(exceptionToExcludeType);
var exception = (Exception)Activator.CreateInstance(exceptionToExcludeType);
Assert.False(filter.CanBeHandled(exception));
var rec = Assert.Throws <ExceptionCannotBeHandledException>(() => filter.HandleException(exception));
Assert.True(rec.InnerException.GetType() == exceptionToExcludeType);
Assert.Equal(rec.InnerException, exception);
}